蝙蝠、燕子以及更多的动物遗体以化学方式保存成它们死亡时的姿势，被密封在水里的碳酸钠沉 积物中。

Bats, swallows and more are chemically preserved in the pose in which they perished, sealed in the deposits of sodium carbonate in the water.

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早期的鸟类学家，无法解释每到冬季时当地的燕子消失尽殆的现象，便怀疑它们把自己埋在烂泥中长梦过冬。

EARLY ornithologists, puzzled by the disappearance each winter of the local swallow population, suspected that the birds buried themselves in mud and hibernated.

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埃弗里把青蛙装进兜里爬上了干草堆。“我上次在这荡秋千时，差点砰地一声撞到谷仓上的燕子呢。”他叫道。

Avery put the frog in his pocket and climbed to the hayloft. "the last time I swang in this swing, I almost crashed into a barn swallow," he yelled.

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